The meaning of Kung Fu

Kung fu means something like 'to work hard, focused and skilful'. So, whenever somebody works hard on a task, exercise or problem one can say that this person has kung fu. Also for example when you work hard in your office to solve a problem or you study extremely focused for school or university or you train hard for any sport then this means you have a lot of kung fu (in) doing so.

Wu Shu is the better expression to name Chinese boxing, which is what people mean when they say Kung Fu.

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From Wikipedia, the free encyclopedia:

Kung fu or gongfu (功夫, Pinyin: gōngfu) is a well-known Chinese term often used today to refer to Chinese martial arts. Its original meaning is somewhat different, referring to one's expertise in any skill, not necessarily martial.